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Evidence of the Bean-Livingston barrier in type-II superconductors

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Abstract

A magneto-optical imaging (MOI) system capable to resolve single vortices is combined with a focused laser beam to reorganize vortex matter in dense vortex clusters. The local heating of the superconductor with the laser produces a temperature profile which induces an attraction of the vortices towards the center of the laser spot. We analyze the collective vortex dynamics under high-power laser irradiation. The formation of vortex clusters is described with a model very similar to the one describing the first vortex entry into a type-II superconductor.
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Dates and versions

hal-01208123 , version 1 (05-10-2015)

Identifiers

  • HAL Id : hal-01208123 , version 1

Cite

William Magrini, Ivan S. Veshchunov,, Sergei V. Mironov, Jean-Baptiste Trebbia, Philippe Tamarat, et al.. Evidence of the Bean-Livingston barrier in type-II superconductors. Vortex 2015, May 2015, El Escorial, Spain. ⟨hal-01208123⟩
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